Dyna-Lock Self-Retracting Lanyards (SRL) are a fast-acting fall arrester that limits free-fall distance, deceleration distance and fall arrest forces while allowing the user freedom of movement. The Dyna-Lock SRL is ideal for climbing applications where vertical mobility is needed. It has 4 1/2' per second locking speed and a built-in shock absorber that limits fall arrest forces to under 900 lbs. Three continuously moving independent braking mechanisms prevent freezing in icy or corrosive conditions. It is available with 3/16" galvanized stainless steel wire rope. A forged steel, zinc-plated, self-locking swivel snap-hook is present on each unit with a load indicator that activates and alerts the user when the Dyna-Lock SRL has been impact loaded. Meets all applicable OSHA requirements and ANSI standards.